MacDon HC10, Setup, Operation, And Parts Manual

Page: 152 / 186

215593
142
Revision A
7.1.6 O-Ring Boss Hydraulic Fittings
–
Non-Adjustable
Torque values are shown in following table below.
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%
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Figure 7.13: Hydraulic Fitting
1. Inspect O-ring (A) and seat (B) for dirt or obvious defects.
2. Check that O-ring (A) is NOT on the threads and adjust if
necessary.
3. Apply hydraulic system oil to the O-ring.
4. Install fitting (C) into port until the fitting is hand-tight.
5. Torque fitting (C) according to values in Table 7.12, page
142 .
6. Check the final condition of the fitting.
Table 7.12 O-Ring Boss (ORB) Hydraulic Fittings
–
Non-Adjustable
SAE Dash Size
Thread Size (in.)
Torque Value 31
Nm
lbf·ft (*lbf·in)
-2
5/16
–
24
6
–
7 *53
–
62
-3
3/8
–
24
12
–
13 *106
–
115
-4
7/16
–
20
19
–
21 14
–
15
-5
1/2
–
20
21
–
33 15
–
24
-6
9/16
–
18
26
–
29 19
–
21
-8
3/4
–
16
46
–
50 34
–
37
-10
7/8
–
14
75
–
82 55
–
60
-12
1 1/16
–
12
120
–
132 88
–
97
-14
1 3/8
–
12
153
–
168 113
–
124
-16
1 5/16
–
12
176
–
193 130
–
142
-20
1 5/8
–
12
221
–
243 163
–
179
-24
1 7/8
–
12
270
–
298 199
–
220
-32
2 1/2
–
12
332
–
365 245
–
269
REFERENCE
31. Torque values shown are based on lubricated connections as in reassembly.